<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!--引入样式-->
    <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
</head>
<body>
    <div id="app" style="margin: 20px 60px">
        <el-form :inline="true" :model="form" class="demo-form-inline">
            <div v-for="(item, index) in form">
                <el-form-item :label=" '属性' + (index + 1) " >
                    <el-select v-model="item.attr" piaceholder="属性">
                        <el-option v-for="s in selectOptions" :label="s.name" :value="s.id"></el-option>
                    </el-select>
                </el-form-item>
                <el-form-item :label=" '属性值' + (index + 1) " >
                    <el-select v-model="item.attr_value" piaceholder="属性值"></el-select>
                </el-form-item>
                <el-button type="danger" @click="removeFormItem(index)">移除</el-button>
            </div>
            <div>
                <el-form-item>
                    <el-button type="default" @click="addFormItem">增加表单项</el-button>
                </el-form-item>
            </div>
            <div>
                <el-form-item>
                    <el-button type="primary" @click="submitForm">保存</el-button>
                </el-form-item>
            </div>
        </el-form>
    </div>
    <script src="https://unpkg.com/vue@2/dist/vue.js"></script>
    <!-- 引入组件库 -->
    <script src="https://unpkg.com/element-ui/lib/index.js"></script>
    <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
    <script>
        v = new Vue({
            el: "#app",
            data: {
                //商品ID
                goods_id: "{$goods_id}",
                //属性下拉框的选项
                selectOptions: [],
                form: [
                    {attr: '', attr_value: ''},
                ]
            },
            methods: {
                addFormItem() {
                    this.form.push({
                        attr: '',
                        attr_value: ''
                    })
                },
                //移除表单项
                removeFormItem(index) {
                    this.form.splice(index,1)
                },
                //提交表单
                submitForm() {
                    $.ajax({
                        url: "{:url('Goods/setGoodsAttrValuePost)}",
                        type: "POST",
                        data: {
                            goods_id:this.goods_id,
                            attr:this.form,
                        },
                        success(res) {

                        },
                        error() {
                            alert('请求失败')
                        }
                    })
                }
            },
            created() {
                $.ajax({
                    url: "{:url('Goods/getGoodsAttr')}",
                    type: "POST",
                    data: {
                        goods_id: this.goods_id
                    },
                    success(res) {
                        v.selectOptions = res.data
                    },
                    error() {
                        alert('请求失败')
                    }
                })
            }
        })
    </script>
</body>
</html>